Type Star-cupola Vertices 21 Symmetry group C7v, [7], (*77) | Edges 35 Schläfli symbol {7/3} || t{7/3} | |
 | ||
Faces 7 triangles
7 squares
1 {7/3}
1 {14/3} | ||
In geometry, the heptagrammic cupola is a star-cupola made from an heptagram, {7/3} and parallel tetradecagram, {14/3}, connected by 7 mutually intersecting equilateral triangles and squares.
Crossed heptagrammic cupola
The crossed heptagrammic cupola is a star-cupola made from an heptagram, {7/5} and parallel tetradecagram, {14/5}, connected by 7 mutually intersecting equilateral triangles and squares.
References
Heptagrammic cupola Wikipedia(Text) CC BY-SA